#register{
  position: absolute;
  width: 100%;
  height: 100%;
  background: url('https://pic4.zhimg.com/v2-c5544169237bf327f29f4ba91ce0ac46_r.jpg?source=1940ef5c') no-repeat ;
  background-size:100% 100%;

  input{
      width: 75%;
      height: 40px;
      padding-left:10px ;
      border-radius: 40px;
      border: none;
      outline: none;
  }
  .phone{
      position: absolute;
      top: 30%;
      left: 10%;
  }
  .pass{
      position: absolute;
      top: 42%;
      left: 10%;
  }
  .pass2{
    position: absolute;
    top: 54%;
    left: 10%;
  }
  button{
      width: 60%;
      height: 38px;
      position: absolute;
      bottom: 25%;
      left: 20%;
      border-radius: 38px;
      background: rgba(250, 250, 250, 0) ;
  }
  .register{
      color: whitesmoke;
      position: absolute;
      bottom: 23%;
      left: 46%;
  }
  .tip{
    position: absolute;
    bottom: 10%;
    left: 15%;
    font-size: 12px;
    input{
      width: 20px;
      height: 12px;
      padding: 2px;
    }
  }
}